Wristwatch



FIG. 1 is a perspective view of the front and right side of a wristwatch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a perspective view of the rear and right side of the wristwatch shown with the watch band in an unassembled position. 

The ornamental design for a wristwatch, as shown and described. 